Archeological department was formed as an independent section of the institute in 1980, and it was created in order to support Institute’s activities. The archeological department comes from the center of investigation at the Institute for Old Slavic culture in Prilep and the medieval department in Prilep National museum. This institutions run their researches in the period of 19955-1979 and the archeological department continues their work and investigation and it is equipped with all results of researches made in the past.

The main subject of the department, as well as of archeology generally, is investigation of all traces and remains of the material culture made in the past, in this case especially originating from the periods like the late antiquity and middle ages. Main pursuits of Archeological department in the Institute for old slavonic culture in prilep are excavating, searching, making documentations, investigations, categorization of findings, their interpretation and attributing them to periods and activities. Majority of the researches concerns period of IV to XIV century.

The majority of projects which have been started so far from 1980, were related to the medieval settlements localized in the Prilep’s neighborhood; the provenance of early-medieval settlement; genesis of medieval settlemants, from the earlier period on the basis of materials and articles found in Gradište locality; general characteristics, description of the material culture in case of the Macedonian Slavs; development of settlements and necropolies at whole territory of Republic of Macedonia; late ancient and medieval material culture in the region Mariovo; First old Christian and Slav’s centre in Macedonia; localization of medieval town – Bitola; development of late ancient and medievalsettlements in north Pelagonia; old Christian church centre and its medieval Order in the frames of cultural complex of saint Transformation.

The extensive archeological investigation and all works of the department resulted in many monographs and studies and it contributes to establish a fund of outstanding archaeological source and materials (movable findings, field documentation, ets..), as the basis fot future studies profound within the institution.